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Date:   Mon, 14 Sep 2020 17:42:18 -0700
From:   Linus Torvalds <>
To:     Matthieu Baerts <>
Cc:     Michael Larabel <>,
        Matthew Wilcox <>,
        Amir Goldstein <>,
        "Ted Ts'o" <>,
        Andreas Dilger <>,
        Ext4 Developers List <>,
        Jan Kara <>,
        linux-fsdevel <>
Subject: Re: Kernel Benchmarking

On Mon, Sep 14, 2020 at 1:53 PM Linus Torvalds
<> wrote:
> One way I can see that happening (with the fair page locking) is to do
> something like this

Note that the "lock_page()" cases in that deadlock example sequence of
mine is not necessarily at all an explicit lock_page(). It is more
likely to be something that indirectly causes it - like a user access
that faults in the page and causes lock_page() as part of that.


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